Last data update: 2014.03.03
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R: Printing an usage message from an OptionParser object
print_help | R Documentation |
Printing an usage message from an OptionParser object
Description
print_help print an usage message from an OptionParser object, usually
called by parse_args when it encounters a help option.
Usage
print_help(object)
Arguments
object |
A OptionParser instance.
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Value
print_help uses the cat function to print out a usage
message. It returns invisible(NULL) .
Author(s)
Trevor Davis.
References
Python's optparse library, which inspired this package,
is described here: http://docs.python.org/library/optparse.html
See Also
{parse_args} {OptionParser}
Results
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